EP0276342A1 - Methode zur Behandlung von Plasma und dessen Produkten - Google Patents
Methode zur Behandlung von Plasma und dessen Produkten Download PDFInfo
- Publication number
- EP0276342A1 EP0276342A1 EP87101072A EP87101072A EP0276342A1 EP 0276342 A1 EP0276342 A1 EP 0276342A1 EP 87101072 A EP87101072 A EP 87101072A EP 87101072 A EP87101072 A EP 87101072A EP 0276342 A1 EP0276342 A1 EP 0276342A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plasma
- blood
- immunoadsorbent
- antibodies
- zone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 33
- 210000002381 plasma Anatomy 0.000 claims abstract description 69
- 210000004369 blood Anatomy 0.000 claims abstract description 44
- 239000008280 blood Substances 0.000 claims abstract description 44
- 102000004506 Blood Proteins Human genes 0.000 claims abstract description 6
- 108010017384 Blood Proteins Proteins 0.000 claims abstract description 6
- 239000000427 antigen Substances 0.000 claims description 17
- 102000036639 antigens Human genes 0.000 claims description 17
- 108091007433 antigens Proteins 0.000 claims description 17
- 238000010790 dilution Methods 0.000 claims description 5
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- 102000009027 Albumins Human genes 0.000 claims description 3
- 108010088751 Albumins Proteins 0.000 claims description 3
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- 201000001383 blood group incompatibility Diseases 0.000 claims description 3
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- 229960000301 factor viii Drugs 0.000 claims description 2
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- 102000006734 Beta-Globulins Human genes 0.000 claims 1
- 108010087504 Beta-Globulins Proteins 0.000 claims 1
- 210000000601 blood cell Anatomy 0.000 claims 1
- 230000023555 blood coagulation Effects 0.000 claims 1
- 230000001766 physiological effect Effects 0.000 abstract description 2
- 238000011282 treatment Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 10
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 102000004169 proteins and genes Human genes 0.000 description 7
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- 239000003114 blood coagulation factor Substances 0.000 description 5
- 108060003951 Immunoglobulin Proteins 0.000 description 4
- 102000018358 immunoglobulin Human genes 0.000 description 4
- 239000007790 solid phase Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 108010094028 Prothrombin Proteins 0.000 description 3
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- 102100026735 Coagulation factor VIII Human genes 0.000 description 2
- 206010053567 Coagulopathies Diseases 0.000 description 2
- 102000006395 Globulins Human genes 0.000 description 2
- 108010044091 Globulins Proteins 0.000 description 2
- 101000911390 Homo sapiens Coagulation factor VIII Proteins 0.000 description 2
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- UCTWMZQNUQWSLP-VIFPVBQESA-N (R)-adrenaline Chemical compound CNC[C@H](O)C1=CC=C(O)C(O)=C1 UCTWMZQNUQWSLP-VIFPVBQESA-N 0.000 description 1
- 229930182837 (R)-adrenaline Natural products 0.000 description 1
- XTWYTFMLZFPYCI-KQYNXXCUSA-N 5'-adenylphosphoric acid Chemical compound C1=NC=2C(N)=NC=NC=2N1[C@@H]1O[C@H](COP(O)(=O)OP(O)(O)=O)[C@@H](O)[C@H]1O XTWYTFMLZFPYCI-KQYNXXCUSA-N 0.000 description 1
- XTWYTFMLZFPYCI-UHFFFAOYSA-N Adenosine diphosphate Natural products C1=NC=2C(N)=NC=NC=2N1C1OC(COP(O)(=O)OP(O)(O)=O)C(O)C1O XTWYTFMLZFPYCI-UHFFFAOYSA-N 0.000 description 1
- OZIOWHWTZWIMCZ-MPUPURDASA-N B-Trisaccharide Chemical compound O[C@H]1[C@H](O)[C@H](O)[C@H](C)O[C@H]1O[C@@H](C=O)[C@H]([C@@H](O)[C@H](O)CO)O[C@@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 OZIOWHWTZWIMCZ-MPUPURDASA-N 0.000 description 1
- 241000283707 Capra Species 0.000 description 1
- 102000008186 Collagen Human genes 0.000 description 1
- 108010035532 Collagen Proteins 0.000 description 1
- 229920002307 Dextran Polymers 0.000 description 1
- 208000031501 Emergencies Diseases 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229930186217 Glycolipid Natural products 0.000 description 1
- 102000003886 Glycoproteins Human genes 0.000 description 1
- 108090000288 Glycoproteins Proteins 0.000 description 1
- 102000008100 Human Serum Albumin Human genes 0.000 description 1
- 108091006905 Human Serum Albumin Proteins 0.000 description 1
- 102000004895 Lipoproteins Human genes 0.000 description 1
- 108090001030 Lipoproteins Proteins 0.000 description 1
- 241000124008 Mammalia Species 0.000 description 1
- 241000699670 Mus sp. Species 0.000 description 1
- 241000283973 Oryctolagus cuniculus Species 0.000 description 1
- 241001494479 Pecora Species 0.000 description 1
- 241000276498 Pollachius virens Species 0.000 description 1
- 108090000190 Thrombin Proteins 0.000 description 1
- 108010000499 Thromboplastin Proteins 0.000 description 1
- 102000002262 Thromboplastin Human genes 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- -1 acyl azide Chemical class 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000000890 antigenic effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 210000003719 b-lymphocyte Anatomy 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000010836 blood and blood product Substances 0.000 description 1
- 229940125691 blood product Drugs 0.000 description 1
- 210000001185 bone marrow Anatomy 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
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- 229920001436 collagen Polymers 0.000 description 1
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- 238000007796 conventional method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 229910002026 crystalline silica Inorganic materials 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
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- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229960005139 epinephrine Drugs 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 230000000521 hyperimmunizing effect Effects 0.000 description 1
- 230000003100 immobilizing effect Effects 0.000 description 1
- 230000028993 immune response Effects 0.000 description 1
- 210000000265 leukocyte Anatomy 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 150000002482 oligosaccharides Polymers 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
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- 229940076279 serotonin Drugs 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
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- 239000011343 solid material Substances 0.000 description 1
- 239000002594 sorbent Substances 0.000 description 1
- 208000010110 spontaneous platelet aggregation Diseases 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 229960004072 thrombin Drugs 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229920003176 water-insoluble polymer Polymers 0.000 description 1
- 229920001221 xylan Polymers 0.000 description 1
- 150000004823 xylans Chemical class 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3679—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits by absorption
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K35/00—Medicinal preparations containing materials or reaction products thereof with undetermined constitution
- A61K35/12—Materials from mammals; Compositions comprising non-specified tissues or cells; Compositions comprising non-embryonic stem cells; Genetically modified cells
- A61K35/14—Blood; Artificial blood
- A61K35/16—Blood plasma; Blood serum
Definitions
- the present invention is a method for treating human blood plasma prior to administering to a patient and, more particularly, is a method for removing blood group antibodies from the plasma to avoid incom direability between donors and recipients of different blood groups.
- Plasma aqueous solution
- erythrocytes red cells
- white cells leukocytes
- platelets thrombocytes
- Plasma is the solution which remains after the cells have been removed from the blood.
- various proteins including antibodies secreted by the white cells as in immunological response to the presence of antigeus in the blood, as well as proteins responsible for other essential physiological processes, such as the clotting factors required for hemostasis.
- the major human blood group or type is determined by the presence of ABH antigens on the cell sur severelyface of the red blood cells.
- the antigens are oligosaccharides attached to glycolipids or glycoproteins in the plasma membranes of the red blood cells.
- the antigenic structure is of three types, referred to as "A”, "B” and neither "A” nor “B” (that is, “H” or formerly "O”).
- Either the A antigen, the B antigen, or both the A and B antigen may be present on the surface of an individual's red blood cells. Every individual's blood will contain naturally occurring antibody (primarily IgM) against the ABH antigens which are not present on his red blood cells. The situation is summarized in Table 1, which follows.
- the present invention provides a method for treating human plasma obtained from any donor which renders the plasma or product compatible with any recipient, regardless of the recipient's blood group.
- the method comprises passing plasma from the donor through an immunoadsorbent zone capable of binding one or more of the antibodies to remove such antibodies.
- the immunoadsorbent zone includes receptors specific for both the anti-A and anti-B antibodies, typically anti-(anti-A) and anti-(anti-B) antibodies or the A and B antigens themselves, immobilized therein.
- the method requires that the ABH antibodies be substantially completely removed from the product to at least below a level detectable by the standard antiglobulin (Coombs) test at a 1:2 dilution, preferably at a 0 dilution.
- the present invention provides a source of human plasma derived from donors having all blood groups, which may be transfused to recipients regardless of blood group.
- the method may be practiced in a hospital or blood bank to avoid having to segregate plasma by blood group for storage so that a particular plasma is not administered to a recipient having an incompatble blood type.
- the method will also find use under emergency situations where a limited number of blood donors are available and where, in the absence of such a treatment method, plasma might be unavailable for certain individuals needing transfusions.
- the method of the present invention employs an immunoadsorbent zone having receptor specific for at least anti-A or anti-B antibodies, prefereably having receptors for both such antibodies, immobilized therein.
- an immunoadsorbent zone having receptor specific for at least anti-A or anti-B antibodies, prefereably having receptors for both such antibodies, immobilized therein.
- the receptors may be naturally occurring or synthetic compounds which have the capability of specifically binding the anti-A and anti-B antibodies and which may be immobilized within a permeable medium to form the immunoadsorbent zone.
- Particularly useful are naturally occurring A and B cell surface antigens, and antibodies raised against both the anti-A and anti-B antibodies, that is, anti-(anti-A) and anti-(anti-B) antibodies.
- Such antibodies may be obtained in a conventional manner by hyperimmunizing any one of various mammals, such as rabbits, sheep, mice, goats, and the like, and purifying the antisera obtained.
- monoclonal antibodies may be produced by the method described by Kohler and Milstein, (1976) Nature 356:495-497. Such techniques for preparing antibodies are well known in the art and do not form part of the present invention.
- the preferred receptors for the present invention are artificially synthesized human blood group A and B antigens prepared in the manner described by Lemieux, "Human Blood Groups and Carbohydrate Chemistry,” (1978) Chem. Soc. Rev., pp 423-452.
- the immunoadsorbent zone of the present invention comprises the receptor immobilized on a solid phase immunoadsorbent material.
- a solid phase immunoadsorbent material may be selected from a wide variety of materials, typically silicates or water insoluble polymers used to load a separation column, or water permeable membranes.
- the immobile solid phase of the present invention must be capable of covalently or non-covalently binding the specific receptors for the anti-A and anti-B antigens and must be biocompatible with human blood.
- Suitable materials include silica gels, glass beads, cross-linked dextrans, polyacrylamides and other biologically inert materials which can be derivatized, typically aminated, for immobilizing the receptors of interest.
- the receptors may be immobilized in the immunoadsorbent zone by a variety of conventional techniques, depending in particular on the nature of the binding material. In general, it is necessary to modify one or more functionalities on the immunoadsorbent material to allow coupling to the receptor.
- the covalent binding of proteins to immunoadsorbent materials, in particular antibodies, is taught in U.S. Patents Nos. 3,555,143 and 4,108,974.
- artificial antigen includes a glycosidic union to the 8-methoxycarbonyloctyl alcohol which can serve as a bridging arm for attachment to the solid support.
- the antigen is reacted with acyl hydrazide to form the acyl azide which is then allowed to react with an aminated solid support or with a suitable amine on any solid material.
- the plasma is obtained by separating the red cells, white cells and platelets from the whole blood by well-known techniques. Once the plasma is obtained, it may be treated directly or may be stored and treated at a later time.
- the immunoadsorbent column or membrane Prior to passing plasma therethrough, the immunoadsorbent column or membrane is preferably treated to inhibit non-specific protein adsorption. This may be accomplished by washing the immunoadsorbent zone with a colloidal xylan solution (collodion) or with a saline solution containing 1% human serum albumin, and incubating the zone, preferably overnight, with the wash solution at 4°C. The column is then washed with saline solution prior to treatment of the plasma.
- a colloidal xylan solution colloidal xylan solution
- a saline solution containing 1% human serum albumin a containing 1% human serum albumin
- the plasma is passed through the immunoadsorbent zone at a rate chosen so that the final concentration of anti-A and anti-B antibodies is undetectable by the standard antiglobulin (Coombs) test at a maximum dilution of 1:2, preferably at a zero dilution.
- the standard antiglobulin (Coombs) test is described in Mollison, (1972) "Blood Transfusion in Clinical Medicine,” Blackwell Scientific Publications, Oxford pp. 420-428.
- the plasma or plasma fraction can be stored or used in the conventional manner.
- the blood products particularly antihemophilic factor, activated prothrombin complex and the like, it will often be desirable to further treat the product, such as by lyophilization, to inhibit degradation.
- Carbohydrate antigen (B-trisaccharide) prepared as described by Lemieux, supra , was bound to crystalline silica (synsorb A) and unhaptenated silica (Chembiomed, Ltd., Edmonton, Canada) according to the manufacturer's recommendations.
- One gram of the silica with 10 micromoles of bound antigen were placed in a cartridge suitable for passing plasma.
- Plasma was obtained from ten normal, healthy donors, free from all medication for at least 14 days. Plasma (10 ml) from each donor was applied to a fresh cartridge over a five minute period, and the treated samples collected for analysis.
- Coagulation parameters were also measured, as set forth in Table 2. The values given are the average for all ten donors.
- Prothrombin time is the time required to convert prothrombin to thrombin. No significant deterioration was observed in this parameter.
- PTT is partial thrombo-plastin time. Although there was some increase in this parameter which may be attributable to partial adsorption of one or more clotting factors, the increase is not clinically significant. Similarly, the decreases in Factor VIII (antihemophilic factor), Factor V (proaccelerin), and fibrinogen, are likely due to non-specific adsorption, but are well within the limits for useful plasma.
- Table 3 sets forth the concentrations of immunoglobulins and ratio of albumins to globulins in the plasma before and after treatment.
- the drop in IgM levels (and to a lesser extent IgG levels) is to be expected since the anti-(ABH antigen) antibodies are primarily IgM.
- the reduction in immunoglobulins would also account for the increase in the albumin/globulin ratio.
- Table 4 sets forth the results of quantitative electrophoretic measurement of five specific proteins, as well as total protein, in both pre-treatment and post-treatment plasma. The average value for all ten donors is given. The only significant change is found in the decrease of immunoglobulins, as would be expected since the process is directed at immunoglobulin removal.
- Table 5 shows the effect of both pre-treatment and post-treatment plasma on platelet aggregation and serotonin release, in the presence of known activating factors (adenosine diphosphate (ADF), epinephrine, T50 max, and collagen). The effect of the treatment on these essential clotting functions is not significant.
- ADF adenosine diphosphate
- epinephrine epinephrine
- T50 max epinephrine
- a method for treating blood plasma to substantially completely remove anti-(ABH antigen) antibodies from plasma prior to transfusion Such treated plasma can be administered to recipients without regard to blood type.
- the treated plasma retains substantially all other blood proteins measured from the standpoint of clinical significance, ensuring that the plasma will be fully capable of physiological activity in the recipient.
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- Cell Biology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Biotechnology (AREA)
- Cardiology (AREA)
- Epidemiology (AREA)
- Medicinal Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Zoology (AREA)
- Virology (AREA)
- Pharmacology & Pharmacy (AREA)
- Immunology (AREA)
- Developmental Biology & Embryology (AREA)
- Anesthesiology (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/632,756 US4664913A (en) | 1982-05-24 | 1984-07-19 | Method for treating plasma for transfusion |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0276342A1 true EP0276342A1 (de) | 1988-08-03 |
EP0276342B1 EP0276342B1 (de) | 1992-04-01 |
Family
ID=24536816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87101072A Expired - Lifetime EP0276342B1 (de) | 1984-07-19 | 1987-01-27 | Methode zur Behandlung von Plasma und dessen Produkten |
Country Status (7)
Country | Link |
---|---|
US (1) | US4664913A (de) |
EP (1) | EP0276342B1 (de) |
AT (1) | ATE74282T1 (de) |
AU (1) | AU596392B2 (de) |
DE (1) | DE3778002D1 (de) |
ES (1) | ES2032276T3 (de) |
GR (1) | GR3004763T3 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0572194A1 (de) * | 1992-05-28 | 1993-12-01 | The New York Blood Center, Inc. | Entfernung von Antikörpern aus von Blut stammenden Zusammensetzungen unter Erhalt von Gerinnungsfaktoren |
US8865172B2 (en) | 2000-05-08 | 2014-10-21 | Advanced Extravascular Systems, Inc. | Method for reducing the number of unwanted molecules in bodily fluids |
EP2345425B1 (de) | 2005-12-26 | 2018-07-11 | Laboratoire Français du Fractionnement et des Biotechnologies | Immunglobulin g (igg)-konzentrat mit depletion von anti-a- und anti-b-antikörpern und polyreaktiven igg |
WO2022073966A3 (de) * | 2020-10-06 | 2022-07-21 | Universität Greifswald | Verfahren und vorrichtung zur herstellung von universalplasma |
Families Citing this family (27)
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US5061237A (en) * | 1985-07-02 | 1991-10-29 | Cytomed Medizintechnik Gmbh | Method of purifying whole blood |
JPH0662436B2 (ja) * | 1986-05-19 | 1994-08-17 | 株式会社ミドリ十字 | 静注用免疫グロブリン製剤の製造方法 |
US5122112A (en) * | 1986-11-21 | 1992-06-16 | Imre Corporation | Antigen-specific removal of circulating immune complexes |
US5147289A (en) * | 1990-03-29 | 1992-09-15 | Therakos, Inc | Non-specific immune system enhancement |
EP0896824A1 (de) * | 1997-08-05 | 1999-02-17 | Octapharma Ag | Universell verwendbares Bluttplasma |
US20020182195A1 (en) * | 1997-08-05 | 2002-12-05 | Octapharma Ag | Universally applicable blood plasma |
US6620382B1 (en) | 1998-05-22 | 2003-09-16 | Biopheresis Technologies, Llc. | Method and compositions for treatment of cancers |
US8197430B1 (en) | 1998-05-22 | 2012-06-12 | Biopheresis Technologies, Inc. | Method and system to remove cytokine inhibitor in patients |
CA2385179A1 (en) * | 1999-10-08 | 2001-04-19 | David J. Hammond | Isoagglutinin-depleted blood compositions and methods of making same |
US6379708B1 (en) * | 1999-11-20 | 2002-04-30 | Cytologic, Llc | Method for enhancing immune responses in mammals |
CN1207004C (zh) * | 2001-04-18 | 2005-06-22 | 马建川 | 通用型冻干血浆及其制备方法 |
EP1420641A4 (de) * | 2001-08-01 | 2005-05-25 | Anil K Chauhan | Immunkomplexe |
WO2004071446A2 (en) * | 2003-02-12 | 2004-08-26 | Chauhan Anil K | Immune complexes |
ES2281848T3 (es) * | 2003-12-19 | 2007-10-01 | Octapharma Ag | Plasma sanguineo universalmente aplicable, virus inactivado producido a partir de porciones de plasma de no caucasicos. |
DK1949915T3 (da) * | 2004-04-30 | 2012-11-26 | Biopheresis Technologies Inc | Fremgangsmåde og system til fjernelse af opløselig TNFR1, TNRF2 og IL2R i patienter |
US20070065514A1 (en) * | 2005-09-22 | 2007-03-22 | Howell Mark D | Method for enhancing immune responses in mammals |
US20080075690A1 (en) * | 2006-09-22 | 2008-03-27 | Mark Douglas Howell | Method for enhancing immune responses in mammals |
US8449520B2 (en) * | 2007-03-19 | 2013-05-28 | HemCon Medical Technologies Inc. | Apparatus and methods for making, storing, and administering freeze-dried materials such as freeze-dried plasma |
US7776022B2 (en) * | 2007-03-19 | 2010-08-17 | Hemcon Medical Technologies | Apparatus and methods for making, storing, and administering freeze-dried materials such as freeze-dried plasma |
US20090107001A1 (en) * | 2007-03-19 | 2009-04-30 | Hemcon Medical Technologies, Inc. | Apparatus and methods for making, storing, and administering freeze-dried materials such as freeze-dried plasma |
US20090223080A1 (en) * | 2007-03-19 | 2009-09-10 | Hemcon Medical Technologies, Inc. | Apparatus and methods for making, storing, and administering freeze-dried materials such as freeze-dried plasma |
FR3035799B1 (fr) | 2015-05-06 | 2017-05-05 | Elicityl | Support pour la purification de liquides biologiques |
FR3035794B1 (fr) | 2015-05-06 | 2017-05-05 | Elicityl | Procede pour la purification du sang total ou d'un produit issu du sang |
US10697983B2 (en) | 2015-09-08 | 2020-06-30 | Merck Patent Gmbh | Methods of evaluating quality of media suitable for removing anti-A or anti-B antibodies |
US10697982B2 (en) | 2015-09-08 | 2020-06-30 | Merck Patent Gmbh | Methods of evaluating quality of a chromatography media which binds anti-A or anti-B antibodies |
JP7110360B2 (ja) | 2017-10-09 | 2022-08-01 | テルモ ビーシーティー バイオテクノロジーズ,エルエルシー | 凍結乾燥方法 |
JP7471316B2 (ja) | 2019-03-14 | 2024-04-19 | テルモ ビーシーティー バイオテクノロジーズ,エルエルシー | マルチパート凍結乾燥容器 |
Citations (1)
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EP0108658A1 (de) * | 1982-09-24 | 1984-05-16 | Institut National De La Sante Et De La Recherche Medicale (Inserm) | Vorrichtung zur Entfernung oder zur Gewinnung von Antikörpern oder Antigenen aus Blut, ihre Herstellung und Verwendung |
Family Cites Families (1)
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AT399095B (de) * | 1986-03-27 | 1995-03-27 | Vukovich Thomas Dr | Verfahren zur auftrennung von proteinen mittels gradientenelution und vorrichtung zur durchführung des verfahrens |
-
1984
- 1984-07-19 US US06/632,756 patent/US4664913A/en not_active Expired - Lifetime
-
1987
- 1987-01-27 ES ES198787101072T patent/ES2032276T3/es not_active Expired - Lifetime
- 1987-01-27 EP EP87101072A patent/EP0276342B1/de not_active Expired - Lifetime
- 1987-01-27 DE DE8787101072T patent/DE3778002D1/de not_active Expired - Fee Related
- 1987-01-27 AT AT87101072T patent/ATE74282T1/de not_active IP Right Cessation
- 1987-01-28 AU AU68049/87A patent/AU596392B2/en not_active Ceased
-
1992
- 1992-05-29 GR GR920401107T patent/GR3004763T3/el unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0108658A1 (de) * | 1982-09-24 | 1984-05-16 | Institut National De La Sante Et De La Recherche Medicale (Inserm) | Vorrichtung zur Entfernung oder zur Gewinnung von Antikörpern oder Antigenen aus Blut, ihre Herstellung und Verwendung |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0572194A1 (de) * | 1992-05-28 | 1993-12-01 | The New York Blood Center, Inc. | Entfernung von Antikörpern aus von Blut stammenden Zusammensetzungen unter Erhalt von Gerinnungsfaktoren |
US5541294A (en) * | 1992-05-28 | 1996-07-30 | New York Blood Center, Inc. | Removal of antibodies from blood-derived compositions while retaining coagulation factors |
US8865172B2 (en) | 2000-05-08 | 2014-10-21 | Advanced Extravascular Systems, Inc. | Method for reducing the number of unwanted molecules in bodily fluids |
EP2345425B1 (de) | 2005-12-26 | 2018-07-11 | Laboratoire Français du Fractionnement et des Biotechnologies | Immunglobulin g (igg)-konzentrat mit depletion von anti-a- und anti-b-antikörpern und polyreaktiven igg |
WO2022073966A3 (de) * | 2020-10-06 | 2022-07-21 | Universität Greifswald | Verfahren und vorrichtung zur herstellung von universalplasma |
Also Published As
Publication number | Publication date |
---|---|
GR3004763T3 (de) | 1993-04-28 |
AU6804987A (en) | 1988-08-04 |
AU596392B2 (en) | 1990-05-03 |
US4664913A (en) | 1987-05-12 |
ES2032276T3 (es) | 1993-02-01 |
ATE74282T1 (de) | 1992-04-15 |
EP0276342B1 (de) | 1992-04-01 |
US4664913B1 (de) | 1990-01-30 |
DE3778002D1 (de) | 1992-05-07 |
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